Photochemistry near a semiconductor surface

Photochemistry near a semiconductor surface

A numerical study of photochemistry near a rough InSb surface, whose roughness is modeled as a spheroidal bump protruding out of the substrate plane, has been carried out. The semiconducting nature of the substrate is taken into account via a model dielectric function. ‘‘Shape resonance’’ effects th...

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Veröffentlicht in:The Journal of chemical physics 1993, Vol.98 (1), p.746-752
Hauptverfasser: MOINI, S, PURI, A, DAS, P. C
Format: Artikel
Sprache:eng
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Chemistry
Exact sciences and technology
General and physical chemistry
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
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container_title The Journal of chemical physics
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creator MOINI, S
PURI, A
DAS, P. C
description A numerical study of photochemistry near a rough InSb surface, whose roughness is modeled as a spheroidal bump protruding out of the substrate plane, has been carried out. The semiconducting nature of the substrate is taken into account via a model dielectric function. ‘‘Shape resonance’’ effects through the resonant coupling of the bump excitations to photons and various substrate modes (plasmons, phonons, etc.) are calculated and included in the study. Unlike in the case of a metal surface, radiation damping as well as damping due to adsorbate–substrate coupling are seen to play a minor role.
doi_str_mv 10.1063/1.464621
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subjects Chemistry
Exact sciences and technology
General and physical chemistry
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
title Photochemistry near a semiconductor surface
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